Match the following- array - c - c - Whine 1 - Alkali - A - Strong base lIVhline2 - NaOH - B - Weak base lllhline3 - NH4OH - C - Base soluble - in - water lllhline lendarray A- 1- C - 2- B - 3- AB- 1- B - 2- A - 3- CC- 1- C - 2- A - 3- BD- 1- A - 2- C - 3- B

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Bases

Match the fol...

Question

Match the following:

$\begin{matrix} 1 & A l k a l i & A & S t r o n g b a s e 2 & N a O H & B & W e a k b a s e 3 & N H_{4} O H & C & B a s e s o l u b l e i n w a t e r \end{matrix}$

1- B , 2-A , 3-C

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1- C , 2-A , 3-B

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1- C , 2-B , 3-A

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1- A , 2-C , 3-B

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Solution

The correct option is B
1- C , 2-A , 3-B

A base is a compound that reacts with an acid to give salt and water. Bases are bitter in taste and soapy to touch. E.g., Sodium hydroxide, calcium hydroxide, etc

A base which is soluble in water is called an alkali. The word alkali is Arabic which means 'ashes of a plant'. Earlier alkalis were made by burning wood and other plants. All alkalis are bases but all bases are not alkalis.

Bases which produce a high concentration of hydroxyl ions in water are called strong bases. E.g., Sodium hydroxide(NaOH), potassium hydroxide(KOH), etc.

Bases which dissociate in water only slightly and thus produce a low concentration of hydroxyl ions are called weak bases. E.g., Calcium hydroxide( $C a (O H)_{2}$ ) , ammonium hydroxide( $N H_{4} O H$ ), etc.

$\begin{matrix} 1 & A l k a l i & C & B a s e s o l u b l e i n w a t e r 2 & N a O H & A & S t r o n g b a s e 3 & N H_{4} O H & B & W e a k b a s e \end{matrix}$

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Match the following: 1AlkaliAStrong base2NaOHBWeak base3NH4OHCBase soluble in water

Match the following:

$\begin{matrix} 1 & A l k a l i & A & S t r o n g b a s e 2 & N a O H & B & W e a k b a s e 3 & N H_{4} O H & C & B a s e s o l u b l e i n w a t e r \end{matrix}$